/**
* Should filter content.
*
* @return bool
*/
protected function should_filter_content()
{
if ($this->as3cf->is_plugin_setup() && $this->as3cf->get_setting('serve-from-s3')) {
return true;
}
return false;
}
/**
* Replace local URLs with S3 ones for srcset image sources
*
* @param array $sources
* @param array $size_array
* @param string $image_src
* @param array $image_meta
* @param int $attachment_id
*
* @return array
*/
public function wp_calculate_image_srcset($sources, $size_array, $image_src, $image_meta, $attachment_id)
{
if (!$this->as3cf->get_setting('serve-from-s3')) {
// S3 URLs disabled, abort
return $sources;
}
if (!($s3object = $this->as3cf->get_attachment_s3_info($attachment_id))) {
// Attachment not uploaded to S3, abort
return $sources;
}
foreach ($sources as $width => $source) {
$size = $this->find_image_size_from_width($image_meta['sizes'], $width);
$s3_url = $this->as3cf->get_attachment_s3_url($attachment_id, $s3object, null, $size, $image_meta);
if (false === $s3_url || is_wp_error($s3_url)) {
continue;
}
$sources[$width]['url'] = $s3_url;
}
return $sources;
}
/**
* Get the saved upgrade ID
*
* @return int|mixed|string|WP_Error
*/
protected function get_saved_upgrade_id()
{
return $this->as3cf->get_setting($this->settings_key, 0);
}
/**
* Cron jon to update the region of the bucket in s3 metadata
*/
function do_upgrade()
{
// Check if the cron should even be running
if ($this->as3cf->get_setting($this->settings_key, 0) >= $this->upgrade_id || $this->get_upgrade_status() !== self::STATUS_RUNNING) {
$this->as3cf->clear_scheduled_event($this->cron_hook);
return;
}
// set the batch size limit for the query
$limit = apply_filters('as3cf_update_' . $this->upgrade_name . '_batch_size', 500);
$all_limit = $limit;
// only process the loop for a certain amount of time
$minutes = $this->cron_interval_in_minutes * 60;
// smaller time limit so won't run into another instance of cron
$minutes = $minutes * 0.8;
$finish = time() + $minutes;
$session = $this->get_session();
// find the blog IDs that have been processed so we can skip them
$processed_blog_ids = isset($session['processed_blog_ids']) ? $session['processed_blog_ids'] : array();
$this->error_count = isset($session['error_count']) ? $session['error_count'] : 0;
// get the table prefixes for all the blogs
$table_prefixes = $this->as3cf->get_all_blog_table_prefixes($processed_blog_ids);
$all_attachments = array();
$all_count = 0;
foreach ($table_prefixes as $blog_id => $table_prefix) {
$attachments = $this->get_attachments_to_process($table_prefix, $limit);
$count = count($attachments);
if (0 === $count) {
// no more attachments, record the blog ID to skip next time
$processed_blog_ids[] = $blog_id;
} else {
$all_count += $count;
$all_attachments[$blog_id] = $attachments;
}
if ($all_count >= $all_limit) {
break;
}
$limit = $limit - $count;
}
if (0 === $all_count) {
$this->upgrade_finished();
return;
}
// loop through and update s3 meta with region
foreach ($all_attachments as $blog_id => $attachments) {
$this->as3cf->switch_to_blog($blog_id);
foreach ($attachments as $attachment) {
if ($this->error_count >= $this->error_threshold) {
$this->upgrade_error($session);
return;
}
// Do the actual upgrade to the attachment
$this->upgrade_attachment($attachment);
if (time() >= $finish || $this->as3cf->memory_exceeded('as3cf_update_' . $this->upgrade_name . '_memory_exceeded')) {
// Batch limits reached
break 2;
}
}
}
$this->as3cf->restore_current_blog($blog_id);
$session['processed_blog_ids'] = $processed_blog_ids;
$session['error_count'] = $this->error_count;
$this->save_session($session);
}